SECTION 08110 HOLLOW METAL DOORS AND FRAMES PART 1 - GENERAL 1.01

REFERENCES

A. Use latest revision of all applicable codes. B. American Society for Testing and Materials (ASTM) C. A653/A653M - Specification for Steel Sheet, Zinc-Coated (Galvanized) or Zinc-Iron Alloy-Coated (Galvannealed) by the Hot-Dip Process. D. C509 - Specification for Elastomeric Cellular Preformed Gasket and Sealing Material. E. Military Specification (Mil. Spec.) F. DOD-P-21035A - Paint, High Zinc Dust Content, Galvanizing Repair. G. National Fire Protection Association (NFPA) H. NFPA 80 - Standard for Fire Doors and Windows. 1.02

SUBMITTALS

A. Submit shop drawing under terms of the General Terms and Conditions. B. Shop Drawings 1.

2.

Submit Shop Drawings showing details of each frame type, elevations of each door type, location in building of each item, conditions at openings with various wall thicknesses and materials, typical and special details of construction, method of assembling sections, location and installation requirements for hardware, size, shape and thickness of materials, joints and connections. Furnish approved Shop Drawings of hollow metal frames for prefitted doors specified elsewhere.

C. Performance Data

Detroit Metropolitan Wayne County Airport Airfield Service Drive West of Taxiway M and Airfield Lighting Vault No. 1 Replacement WCAA Proj. No. A132A; Contract No. S11-225

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1.

1.03

Submit type and performance data for door louvers giving percentages of free area for louvers to be installed.

DELIVERY, STORAGE, AND HANDLING

A. Labels 1.

Provide metal Testing Agency classification markings for application to labeled hollow metal doors and frames, mechanically applied with drive screws or rivets.

PART 2 - PRODUCTS 2.01

MANUFACTURERS

A. Acme Steel Door Corp.; American Steel Products Corp.; Bilt-Rite Steel Buck Corp.; Ceco Door Products; Curries Co.; Overly Manufacturing Co.; Pioneer Industries; Trussbilt, Inc.; or as approved. 2.02

MATERIALS

A. Steel 1. 2. 3.

Cold-rolled or hot-rolled, pickled and oiled, steel sheets, free from surface or internal defects, and with clean smooth surfaces. Steel for doors, in addition to the above: cold-rolled and stretcher leveled. Steel for exterior doors and frames, including their anchors: ASTM A653/A653M, commercial quality, A60 coating designation.

B. Sound-Deadening Liner for Doors 1. 2.

For non-labeled doors: rockwool or other approved synthetic resin based liner. For labeled doors: as required by the labeling authority.

C. Integral Seal 1.

Closed cell neoprene complying with ASTM C509.

D. Zinc-Rich Paint 1.

ZRC Products Co., “Z.R.C.” or other acceptable product complying with DOD-P21035A.

Detroit Metropolitan Wayne County Airport Airfield Service Drive West of Taxiway M and Airfield Lighting Vault No. 1 Replacement WCAA Proj. No. A132A; Contract No. S11-225

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2.03

METAL GAGES

A. Metal gages for steel sheets and strips for hollow metal work: manufacturer’s standard, minimum as follows: 1.

Frames for doors, transoms and side lights Exterior frames Interior frames Rough bucks (except lead lined) Rough bucks for lead lined doors Mullions and transom bars Moldings

2.

14 ga. 16 ga. 12 ga. 10 ga. same as frame 20 ga.

Frames for borrowed lights Frames and mullions Moldings

16 ga. 18 ga.

B. Full flush doors (metal core reinforcement) Face sheets for interior doors Face sheets for exterior doors Core stiffener channels or “Z” members Optional core - continuous tresscore Moldings Dutch shelf outer sheets Dutch shelf reinforcement and brackets 2.04

18 ga. 16 ga. 20 ga. 28 ga. 18 ga. 18 ga. 14 ga.

WORKMANSHIP AND FABRICATION

A. General 1.

Insofar as practicable, fabricate the Work at shop, ready for delivery and erection at building. Trial-fit Work impossible to completely fabricate in shop. Assemble at shop to insure proper assembly at building. Provide holes, connections, fastenings for and to work of other trades abutting, adjoining or intersecting the Work.

Detroit Metropolitan Wayne County Airport Airfield Service Drive West of Taxiway M and Airfield Lighting Vault No. 1 Replacement WCAA Proj. No. A132A; Contract No. S11-225

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B. Fabrication 1.

Fabricate the Work with all joints and connections continuously welded, surfaces in alignment, straight and free from defects such as warp, or buckling. Unless indicated otherwise, make all corners square and edges sharp. Join molding neatly and weld. Dress all joints flush with base metal surface. Provide bracing necessary to support movable parts.

C. Reinforcements 1.

Provide concealed reinforcement of sheet or bar steel for hardware, including automatic devices, and other attached work, where and as required by conditions. Hinge reinforcement: not less than 3/16 inch thick by not less than 1-1/2 inches wide by not less than 6 inches longer than hinge. Reinforcement for other hardware and attached work: not less than 12 gage and of sufficient size to receive fastenings. Secure hinge, door closer and door holder reinforcements with at least 6 spot welds. Secure other reinforcement with at least 2 spot welds.

D. Hardware Preparation 1. 2.

3. 4. 5.

6. 7.

8.

Drill and tap Work as required for mortised hardware. Locate by template, specified in “Finish Hardware” Section. Prepare hollow metal door frames and hollow metal doors for finish hardware. If “A” label hardware is required, fit and install hinges and locks only. Coordinate fitting of hardware on frames for door specified in other sections, which require factory fitting of hardware. Provide sinkages or mortises, as required, formed accurately to template so that mortised hardware will fit neatly into depressions, with hardware member surface flush with surface of door or frame, unless otherwise required. Provide reinforcing plates, less drilling and tapping, for doors and frames to receive surface applied hardware, except push plates and kick plates. Provide plaster guards or mortar boxes in back of hardware cutouts welded to frame. Punch interior door frames to receive door silencers. For single door frames, provide for 3 silencers in lock side jambs. For double door frames, provide for one silencer for each leaf in frame head. For double door frames with flush transom panels, provide continuous sponge neoprene silencer at transom rabbeted stop. Provide necessary additional space, cut-outs, reinforcements and provisions for fastening in doors and frame heads to receive overhead door closers concealed in frame members. Provide continuous hardware reinforcement for hinges for lead-lined doors.

Detroit Metropolitan Wayne County Airport Airfield Service Drive West of Taxiway M and Airfield Lighting Vault No. 1 Replacement WCAA Proj. No. A132A; Contract No. S11-225

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2.05

SHOP PAINTING

A. Cleaning 1.

Remove oil, grease, sand, dirt and other foreign substances. After cleaning, chemically treat metal surfaces to assure maximum paint adherence.

B. Galvanized Surfaces 1.

Touch up welds and abrasions in galvanized surfaces with zinc-rich paint.

C. Primed Finish 1.

Apply dip or spray coat of rush-inhibitive metallic oxide or synthetic resin metal primer, baked on or oven-dried, to ferrous metal surfaces which are smooth and free from irregularities and rough spots.

D. Bituminous Paint Finish 1.

2.06

In addition to primed finish, paint back surfaces of frames, reinforcing struts and other ferrous parts concealed by building construction one heavy coat of approved bituminous paint.

HOLLOW METAL FRAMES

A. General 1.

Form frames for doors, transoms, side-lights, borrowed lights, interior glazed panels and other items indicated as being hollow metal of steel sheets. Fabricate frames as indicated. Vary forming from that indicated where special conditions necessitate changes from indicated details, as approved.

B. Type and Construction 1.

2.

Unless otherwise indicated, provide combination type frames with integral buck, integral seal where indicated, jamb and trim, welded construction, with all contact edges of corner joints closed tight, and with trim faces mitered and continuously welded. Provide plaster flanges and keys for frames located in plastered walls. Seal joints in exterior frames watertight.

C. Mullions and Transom Bars

Detroit Metropolitan Wayne County Airport Airfield Service Drive West of Taxiway M and Airfield Lighting Vault No. 1 Replacement WCAA Proj. No. A132A; Contract No. S11-225

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1.

Provide mullion and transom bars in frames using closed or tubular construction with rabbets for doors, glass, and transom panels. Fasten mullions and transom bars at crossings and to jambs by butt welding. Reinforce joints between members with concealed clip angles of same metal gage as frame.

D. Frame Reinforcing 1.

Reinforce heads of frames in non-load bearing masonry partitions less than 8 inches thick. Unless otherwise indicated, provide continuous channel head reinforcing formed from not less than 12 gage steel sheet, of width and depth the greatest dimensions possible to suit frame head condition, and welded to back of frame at head. Other methods of reinforcing may be employed subject to the approval of the Owner.

E. Cabinet Jambs 1.

Provide cabinet jambs consisting of rough bucks with applied combination type frame with integral or applied trim as indicated. Provide jambs for required wall openings that do not extend down to floor level which entirely surround opening. Fabricate rough bucks in channel shope with web of same depth as wall thickness and flanged 1/4 inch less than frame depth. Cope and weld corners of bucks that do not extend to ceiling.

F. Wall Anchors 1.

General (a)

2.

For frames set in masonry, except labeled openings. (a)

3.

Provide metal anchors of shape and sizes required for adjoining wall construction. Fabricate wall anchors of steel, not less than 18 gage.

Use adjustable, flat or perforated or corrugated, T-type sliding anchors, 3 inches by 10 inches long, with anchor head of width and length to fill void in back of frame. Locate anchors on each jamb near top and bottom of frame and at intermediate points not over 24 inches apart.

For labeled openings (a)

Use anchors approved by the Testing Agency as required by wall construction. At new masonry walls, use adjustable strap anchors with yokes welded to frame. At previously placed concrete or masonry walls, provide approved spacers. Locate anchors in accordance with Testing Agency requirements.

Detroit Metropolitan Wayne County Airport Airfield Service Drive West of Taxiway M and Airfield Lighting Vault No. 1 Replacement WCAA Proj. No. A132A; Contract No. S11-225

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4.

For frames set in metal stud partitions (a)

5.

Use metal jamb anchor clips, notched and punched type at truss type studs, and with turned down edge at channel type studs. Weld clips to inside of each jamb. Provide anchors which are suitable for type of metal studs specified under another section. Provide 4 anchors per jamb for frames 7 feet or less in height. Locate anchors immediately above and below top hinge reinforcement and above other hinge reinforcements. Locate anchors on strike side directly opposite the anchors on the hinge side. For frames over 7 feet high, use additional anchors per jamb spaced not more than 18 inches apart.

For frames set in previously placed concrete or masonry walls (a)

Provide flat-head machine bolt and shield anchors through frame stops. Provide steel spacer or plate reinforcing welded to frame behind stop at each anchor location. Locate anchors on each jamb near top and bottom of frame and at intermediate points not over 24 inches apart. Provide continuous rough buck or plate welded to legs of frames.

G. Floor Anchors and Spreaders 1.

For frame jambs, and mullions extending to floor, use floor anchor clips of not less than 10 gage steel, with 2 holes for anchoring to floor, and welded to trim flanges. Where separate topping is indicated, extend door frames and mullions to concrete subslab. Provide temporary removable steel spreaders or shipping bars across bottom of frames and tack weld to jambs and mullions.

H. Moldings 1.

2.

2.07

Provide moldings with hollow metal frames having openings for glass, panels and other locations where trim moldings are indicated. Fabricate glazing moldings of steel, removable type, square or rectangular, suitable for 1/4-inch-thick glass assembled with butted corners, and secured with countersunk oval-head Phillips machine screws, uniformly spaced not more than 12 inches apart. Fabricate moldings for panels other than glass of shape indicated, suitable for panel thickness indicated. Assemble molded shapes with mitered corners and square or rectangular shapes with butted corners. Secure as specified for glazing moldings.

HOLLOW METAL DOORS

Detroit Metropolitan Wayne County Airport Airfield Service Drive West of Taxiway M and Airfield Lighting Vault No. 1 Replacement WCAA Proj. No. A132A; Contract No. S11-225

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A. General 1. Fabricate hollow metal doors of full flush door construction. B. Full Flush Door Construction 1.

2.

Construct doors of 2 outer steel sheets with edges continuously welded and finished flush, without visible seams or joints on door faces or edges. Reinforce doors with metal core framing consisting of interlocking steel channels, or Zshaped members, placed vertically and extending through full door height, spaced not more than 6 inches on centers and spot-welded not more than 3 inches on centers to interior surfaces of outer sheets. Reinforce tops and bottoms of doors horizontally full width of door by steel channels spot welded to outer sheets. Provide weep holes in bottom channel. Fill spaces between metal core framing members with approved sound-deadening liner. Optional framing core (a)

Inner core may be continuous truss formed from not less than 28 gage sheet metal and spot-welded to interior surfaces of outer sheets not more than 3 inches on centers horizontally and vertically over entire surface on both sides. Fill spaces with approved sound-deadening liner.

C. Door Clearances 1.

2.

For non-labeled doors: 3/32 inch at jambs and heads, 1/8 inch at meetings stiles of pairs of doors, and 3/4 inch at bottom, including thickness of resilient floor covering. For labeled doors: in accordance with NFPA 80.

D. Stile Edges 1. 2.

Beveled at 1 to 16 slope, unless otherwise specified. Lock stile edges for double-acting doors: rounded.

E. Edge Closures 1. 2. 3.

Top and bottom of exterior hollow metal doors: closed to produce a weatherseal. Top and bottom edges of interior doors (where indicated): closed and filled flush to provide a sanitary surface. Provide closure as part of door construction or by the addition of inverted steel channels or other suitable shapes welded to face.

Detroit Metropolitan Wayne County Airport Airfield Service Drive West of Taxiway M and Airfield Lighting Vault No. 1 Replacement WCAA Proj. No. A132A; Contract No. S11-225

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F. Glass Openings 1.

2.08

Provide open panels in doors for glazing, of sizes indicated. Provide rabbets as part of door construction or by the addition of steel stops. Secure glass with removable glazing moldings on room side for doors facing corridors, on interior side for exterior doors. Fabricate glazing molding of steel, square or rectangular stops, suitable for 1/4-inch glass, assembled with butted corners, and secured with countersunk oval-head Phillips machine screws spaced not more than 9 inches apart.

LABELED DOORS AND FRAMES

A. Approved Construction 1.

Details or construction and requirements for labeled hollow metal doors and frames, as required by the Testing Agency, for each fire class of opening, shall take precedence over project details and specifications, except for gages of metal when the Project Specifications required thicker gages than those required for labeled doors and frames. In the case of an inconsistency between Testing Agency’s requirements and the requirements indicated or specified, or both, submit the matter to the Architect for adjustment before fabricating such work. Rated construction without label will not be accepted.

B. Labeled Openings 1.

2. 3.

2.09

For hollow metal doors and frames, including transom panels, in labeled openings, provide the Testing Agency’ classification marking for the fire class of opening indicated. Rate Class B labels for stair tower doors with temperature rise in 30 minutes to 450 degrees F maximum. Where authorities having jurisdiction over the Project require deviation from the Testing Agency’s requirement for latching device, reinforce doors and frames for surface mounted exit device.

ASTRAGALS

A. Furnish astragals for pairs of labeled doors, pairs of doors in fire-rated partitions, and pairs of exterior doors. 2.10

FINISH PAINTING

A. Paint hollow metal doors and frames as indicated in Section 09900. PART 3 - EXECUTION Detroit Metropolitan Wayne County Airport Airfield Service Drive West of Taxiway M and Airfield Lighting Vault No. 1 Replacement WCAA Proj. No. A132A; Contract No. S11-225

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3.01

INSTALLATION

A. General 1.

Install hollow metal work in correct locations, in alignment, plumb and to true planes. Make breaks, angles and corners square with walls. Where coordination with adjoining work is necessary, take job measurements. Installation shall be in accordance with approved Shop Drawings.

B. Frames 1.

2.

Install hollow metal frames prior to construction of enclosing walls and ceiling. Brace frames securely until permanent anchors are set. Anchor bottom of frames with anchor bolts and lead expansion shields, or with drop-in expansion bolts. Build wall anchors into walls, or secure wall anchors to adjoining construction. Provide required wedging or blocking for frames. Remove and reinstall frames which exceed the recommended tolerances. Provide steel shims required under floor anchors.

PART 4 – METHOD OF MEASUREMENT AND BASIS OF PAYMENT 4.1 METHOD OF MEASUREMENT Hollow metal doors and frames will be measured for payment per each door and frame unit. 4.2 BASIS OF PAYMENT Payment for the hollow metal doors and frames will be made at the contract unit price per unit. The price shall be full compensation for furnishing all materials, and for all preparation, erection, and installation of these materials, and for all labor, door hardware, door frames, and all other accessories and incidentals necessary to complete the item. Payment will be made under: 8110-4.1

Exterior Double Doors (2x3’x7’) – including a knox box — per unit.

8110-4.2

Exterior Single Doors (3’x7’) — per unit.

8110-4.3

Interior Single Doors (3’x7’) — per unit.

END OF SECTION Detroit Metropolitan Wayne County Airport Airfield Service Drive West of Taxiway M and Airfield Lighting Vault No. 1 Replacement WCAA Proj. No. A132A; Contract No. S11-225

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